Home / 20,297.80-30,446.43-5,508.10

Finding the Fourth Proportional to 20,297.80, 30,446.43 and 5,508.10

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Solution

The fourth proportional to 20,297.80, 30,446.43 and 5,508.10 is: 8,262.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297.80 : 30,446.43 = 5,508.10 : x
  2. Step 2: Convert to fraction form
    20,297.80/30,446.43 = 5,508.10/x
  3. Step 3: Cross multiply
    20,297.80x = 30,446.43 × 5,508.10
  4. Step 4: Simplify right side
    20,297.80x = 167,701,981.08
  5. Step 5: Solve for x
    x = 167,701,981.08/20,297.80
  6. Step 6: Final answer
    x = 8,262.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.